Description
450gsm Chopped Strand Mat – General Purpose GRP Fibreglass Reinforcement
Achieve strong, reliable laminates with this 450gsm Chopped Strand Mat (CSM) — a high-quality fibreglass reinforcement designed for GRP roofing, moulding, and marine applications.
Ideal for hand lay-up techniques, this versatile mat offers excellent conformability, fast wet-out, and smooth air release, ensuring a professional finish every time.
Versatile Reinforcement for GRP Systems
- 450gsm Weight – Perfect balance of strength and flexibility for structural layers
- Highly Conformable – Easily moulds to complex shapes and contours
- Excellent Resin Absorption – Medium bulk with efficient wet-through
- Fast Wet-Out & Air Release – Reduces air bubbles for smooth laminates
- Compatible with Polyester Resins – Works with most standard GRP systems
- Lloyd’s Approved – Certified for marine use under survey
- Easy to Handle – Soft, flexible matting for efficient application
Designed for Consistent Performance
This chopped strand mat delivers uniform reinforcement and structural integrity, making it ideal for both professional and DIY fibreglass applications.
Ideal Applications
- GRP flat roofing systems
- Fibreglass laminating and repairs
- Boat building and marine repairs
- Tanks, mouldings, and industrial fabrication
- Complex shapes and curved surfaces
Product Specifications
- Product Type: Chopped Strand Mat (CSM)
- Material: Emulsion bound fibreglass
- Weight: 450gsm
- Compatibility: Unsaturated polyester resins
- SKU: PG-Matting-450
- Stock Type: Warehouse Fulfilled
Why Choose 450gsm CSM?
450gsm matting offers the ideal balance between strength and flexibility, making it perfect for multi-layer builds, general reinforcement, and detailed fibreglass work.
Frequently Asked Questions
What is 450gsm chopped strand mat used for?
It is used to reinforce GRP systems, adding strength and durability to fibreglass structures.
What does 450gsm mean?
It refers to the weight per square metre, indicating a medium-weight reinforcement mat.
Is it suitable for GRP roofing?
Yes, it is ideal for GRP roofing and flat roof systems.
What resin should I use?
It is compatible with most unsaturated polyester resins.
Is it easy to work with?
Yes, it is soft, flexible, and easy to shape around complex surfaces.
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